Beauty and brains that age slowly — turns out that women can have it all! Men have an X and a Y chromosome, while women have ...

A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

Scientists at the University of Virginia have discovered that as men age, they often lose the Y chromosome in some of their ...

Scientists discover that women's second X chromosome awakens later in life, expressing genes that protect the brain from ...

A test on lab mice may have helped scientists in California debunk a theory that part of the make up of genetics in females ...

The results of a new study have suggested that women's brains might be better suited for aging compared to men's. Women are ...

A study led by bioengineers at the University of California San Diego sheds new light on how a type of heart valve disease, called aortic valve stenosis, progresses differently in males and females.

For years, the fact that women tend to outlive men has been a topic of interest and speculation among scientists and the ...

Women tend to live longer than men and are often more resilient to cognitive decline as they age. Now researchers might have uncovered a source for this resilience: the second X chromosome in female ...

In a surprise, work in mice has found that the dormant X chromosome in females can reawaken late in life and turn on genes that keep the brain healthy.